If you wish to determine your own IBX version, you can follow these steps:

1. Go to Start->Control Panel->Folder Options.
2. Select the View tab.
3. Check Show hidden files and folders
4. Uncheck Hide extensions for known file types and Hide protected operating system files
5. Load Windows Explorer
6. Determine the the path of the WM DRM folder (usually it is C:\Documents and Settings\All Users\DRM). It is stored in the registry at HKEY_LOCAL_MACHINE\Software\Microsoft\DRM\DataPath
7. Go to WM DRM folder.
8. Right click Indivbox.key (may also be called Indiv001.key or Indiv002.key or something - pick the one with the highest number if so) and choose Properties.
9. Click the Version tab.